期刊
ENERGIES
卷 15, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/en15082787
关键词
solid refused fuel; polychlorinated dibenzo-p-dioxins; polychlorinated dibenzofurans; waste heat boiler; stack
资金
- National Institute of Environmental Research (NIER) - Ministry of Environment (MOE), Republic of Korea [NIER-RP2020-213]
This study evaluated the emission of PCDD/DFs in seven incineration plants in Korea using SRF and bio-SRF. The results showed that all seven plants effectively managed their dioxin emissions, but both SRF and bio-SRF plants produced a large amount of highly chlorinated dioxins. The SRF plants had a high ratio of OCDF and showed a low ratio of OCDF to 1,2,3,4,6,7,8-HpCDF.
Incineration plants using solid refused fuel (SRF) should control their air pollution materials to minimize environmental impact. This study evaluated the emission of polychlorinated dibenzo-p-dioxin/dibenzofurans (PCDD/DFs) congener patterns in seven commercial incineration plants in Korea using SRF and biomass SRF (bio-SRF). We examined the reduction rate differences of PCDD/DFs, depending on the air pollutant control device. All seven incineration plants sufficiently managed their dioxin emissions. However, both SRF and bio-SRF incineration plants showed active chlorination reactions and resulted in a large amount of highly chlorinated dioxins. The average dioxin concentration was 0.02 ng international toxic equivalency quantity (I-TEQ)/Sm-3. Ratios of 1,2,3,4,6,7,8-HpCDF and 1,2,3,7,8-PeCDF were high in the waste heat boilers of both SRF and bio-SRF incineration plants. The octachlorinated dibenzofuran (OCDF) ratio was only high in the SRF incineration plants. Octachlorodibenzo-p-dioxin (OCDD) and OCDF exhibited high dioxin ratios. SRF incineration plants had a low ratio of OCDF to 1,2,3,4,6,7,8-HpCDF. In addition, the reduction rate of PCDD/DFs was substantially high after treatment with the air pollutant control device.
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